Size and weight are big decision factors when you are trying to find the ideal camera for your needs.
In this section, we are going to illustrate the DJI Osmo Action 4K and GoPro Hero7 Black side-by-side from the front, back and top in their relative dimensions. DJI Osmo Action 4K has external dimensions of 65 x 42 x 35 mm and weighs 124 g (including batteries). GoPro Hero7 Black has external dimensions of 62 x 45 x 33 mm (2.45 x 1.77 x 1.3″) and weighs 116 g (0.26 lb / 4.09 oz) (including batteries).
Below you can see the front-view size comparison of the DJI Osmo Action 4K and the GoPro Hero7 Black. GoPro Hero7 Black is 3mm narrower and 2mm thinner than DJI Osmo Action 4K but it is also 3mm taller.
Comparison image of the DJI Osmo Action 4K and the GoPro Hero7 Black Size, Weight and External Dimensions - Front View
Here is the back view size comparison of the DJI Osmo Action 4K and GoPro Hero7 Black.
Comparison image of the DJI Osmo Action 4K and the GoPro Hero7 Black Size and Weight - Back View
Now lets look at the top view comparison of DJI Osmo Action 4K and GoPro Hero7 Black.
Top View Comparison image of the DJI Osmo Action 4K and the GoPro Hero7 Black Size
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
GoPro Hero7 Black is 8g lighter than the DJI Osmo Action 4K but we don't think this will make a significant difference.
Weather Sealing
LCD Screen Size and Features
DJI Osmo Action 4K's 2.25" LCD screen is slightly larger than GoPro Hero7 Black's 2″ screen.
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.
